1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __LINUX_ATALK_H__
3#define __LINUX_ATALK_H__
4
5#include <linux/types.h>
6#include <asm/byteorder.h>
7#include <linux/socket.h>
8
9/*
10 * AppleTalk networking structures
11 *
12 * The following are directly referenced from the University Of Michigan
13 * netatalk for compatibility reasons.
14 */
15#define ATPORT_FIRST 1
16#define ATPORT_RESERVED 128
17#define ATPORT_LAST 254 /* 254 is only legal on localtalk */
18#define ATADDR_ANYNET (__u16)0
19#define ATADDR_ANYNODE (__u8)0
20#define ATADDR_ANYPORT (__u8)0
21#define ATADDR_BCAST (__u8)255
22#define DDP_MAXSZ 587
23#define DDP_MAXHOPS 15 /* 4 bits of hop counter */
24
25#define SIOCATALKDIFADDR (SIOCPROTOPRIVATE + 0)
26
27struct atalk_addr {
28 __be16 s_net;
29 __u8 s_node;
30};
31
32struct sockaddr_at {
33 __kernel_sa_family_t sat_family;
34 __u8 sat_port;
35 struct atalk_addr sat_addr;
36 char sat_zero[8];
37};
38
39struct atalk_netrange {
40 __u8 nr_phase;
41 __be16 nr_firstnet;
42 __be16 nr_lastnet;
43};
44
45#endif /* __LINUX_ATALK_H__ */
46